Improvement in carding by which variegated slivers are produced



UNITED iSTATES IPATENT OFFICE.

`JONAS HOLMES AND EPHRAM FRENCH, OF LEE, MASSACHUSETTS.

IMPROVEMENT IN CARIJING BY WHICH VARIEGATED SLIVERS ARE PRODUCED.

Specification forming part of Letters Patent No. 8,948, dated May 18,1852.

' To @ZZ whom, t may concern:

a Be it known that we, `JoNAs HOLMES and EPHRAIM FRENCH,both of Lee, inthe county the following specification and accompanying j drawings.

The nature of our invention and improve-` ment consists in traversingthe dofters of carding-machines when the teeth upon the same are set inrings around the doffercylin `der with spaces between the1n,and thedierent colors or materials are fed onto the card in strands, or a sheetcomposed longitudinally of different colors or materials, or so that thedifferent colors or materials may be cardedin the same spaces aroundrthecylin# ders of the card upon which they are fed until they come to thedoffer or doffersin which the teeth are set in rings around the samewith vacant spaces between, so that as the doifer or 'dolfers aretraversed endwise the several colors or materials carded are caught 1nsuccession as the doffers are traversed over or across them, so astomake the roving variegated,it being composed alternately of thedifferent colors or materials fed onto the card, with alternate spacesbetween the different colors or materials forming the connectionsbetween'the said colors or materials, being composed of the saiddifferent colors or materials'blende'd or mixed, so that the roving madeby our invention and improvement may' be variegated in. color ormaterial, or both, or mixed according to the feeding of the colors ormaterials onto the card and the traversing` of the doi-'fer or doffers,and when two doffers are used the teethupon one should be adjustedopposite the spaces upon the other, and vice versa, so that the materialwhich is not caught from the card-cylin der by one may be caught by theother. The doer or doffers may be made to traverse serpentine, zigzag,or alternately zigzag and serpentine, or with such curves, angles, orpoints as the operator may chose to adopt to produce the varietyrequired in `the roving;

or the teeth upon the dolfers may be set serpentine, zigzag, or both, orin such curves, angles, or points as may be desirable to pro- Iduoe thedesired results, and when s0 set may be traversed endwise or not, as maybe Idesirable or necessary to produce the variety desired in the rovingproduced. The wool or 'other materials carded may b e taken from thedoffers by the condensing-rollers in com- `mon use, or such otherapparatus as will answer the purpose intended.

and use our invention, we will proceed to describe its construction andoperation, referring to the accompanying drawings, in which the figureis a front View, showing suchparts of the card as we deem necessary todescribe our invention.

A Arepresentsides of the card-frame made in the usual 4manner andconnected together by girts. B is the main cylinder covered withcardlclothing inthe usual manner.l

C C represent doffers surrounded with rings of cardiilleting, placed sothat the fillet D on C comes opposite to the spaces D upon C between thefillets. The fillets or rings of teeth upon Cl may be made a littlenarrower than they are upon C', as C takes the wool from the maincylinder first, so that it may.

not get more than its shareor proper-portion. The bearings E' E of thedoffer-shatts are made as 'much longer than 4the boxes they turn in asthe width of a fillet or space upon the doffer, or more, so that thedoers can be traversed by the cam F,fastened upon the shaft of C', whichhas a spiral groove in it, into which the point I of the stand H,fastened to the side A, projects. As the stand H is permanently fastenedto the side, and the point I (represented by dotted lines) projects intothe groove G, and as the dofter and cam F-turn, the pointI causes thedofter to traverse once across the width of the fillet during eachquarter of a revolution of the doffer and back again the next quarter.The connecting-bar K, which is connected to the shafts of each of thedoers by the screws 'L L, so that the screws turn freely in said bar,causes the doffer C to move in concert with C', so that the filletsof-teeth upon each doffer are oppo-'I site to the spaces between theteeth upon the other, the rotary motion of thedofters being iliade tocorrespond with each other by the wheels M M upon the ends of thedoifershafts, both of which may be turned by the To enable othersskilledin the art to make long pinion vN, which may be rotated by apulley or. gear fastened to it for that purpose. The card having beencompleted, as above described, the wool or other materials of differentkinds or colors to be carded is fed onto the card, so as to cover themain cylinder alternately with red and black, as represented in thedrawings. The doir'ers take the wool from the main cylinder as they areturned, and, traversed by the point I of the stand H, they catch redandv black Wool alternately as the llets of teeth upon the doffers passacross the respective colors upon the main cylinder, so that when theillet of teeth upon C is catching all black the teeth upon C is catchingall red, and as they are moved endwise the teeth upon C pass graduallyfrom the space covered with black wool upon B to that covered With red,catching both black and red,as represented in the drawings, until' itcomes opposite to the red, when all the wool caught is red. At the sametime the teeth upon C had been passing from the space covered with redupon B to the space covered with black, and caught bot-h red and blackWhile making the change, until it catches all black. During this timethe cam F has turned one-fourth way round, 'so that the point l is atthe opposite apeX of the cam, and asvthe doffers revolve the cam carriesthem back during the next fourth of a revolution to the point fromwhence they started, and if the card is kept in motion and supplied withwool, and the usual condensingrollers or some proper apparatus to takeoff the wool from the doiers and convert it into roving is connectedwith it, it will make variegated roving, as described, which roving maybe spun into the various kinds of yarn for such purposes as it may bewanted. Ve think it preferable to have the main cylinder so wide or thedofers so short that the rings upon them will not traverse beyond theedge of the main cylinder, and as the yarn spun from the two outsiderovings may be alittle uneven We prefer to save it by itself until asufficient quantity accumulates to use or Weave it separately.

We contemplate that there are various devices that maybe substituted forthe cam to traverse the dolers, or that they may be made to traverseupon their shafts, or that the boxes in which the shafts turn may betraversed; also, that the main cylinder may be set in rings or stripsaround the cylinder, with narrow spaces between to make the colors moredistinct, butthe spaces vshould not be 'so wide as toreduce the size ofthe roving and make the yarn uneven.

What We claimas our invention and improvement, and desire to secure byLetters Patent, is-

Traversing the doffer or dotfers of a card or setting the teeth uponthem serpentine or zig.

zag, or in such other curves, points, or angles as may suit the taste orfancy of the operator, also to-traverse them when soset, if desirable,so as to take the wool or other materials from such parts of the main orother cylinder of the card and deliver it to the condensing-rollers orother apparatus, so as to make roving variegated either in colors ormaterials, or both, when said colors or materials are fed upon the card,substantially as described.

In testimony whereof We .have hereunto signed our names before twosubscribing wit- DGSSGS.

Witness es:

WARREN P. ALDEN, MATHERE GAfrELY.

